[dmd-internals] [D-Programming-Language/dmd] 89dba3: make Token.ustring const

[GitHub via dmd-internals]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 89dba3798f3edbb76dada21a4369137247f258b5
      https://github.com/D-Programming-Language/dmd/commit/89dba3798f3edbb76dada21a4369137247f258b5
  Author: Walter Bright <walter at walterbright.com>
  Date:   2016-02-06 (Sat, 06 Feb 2016)

  Changed paths:
    M src/lexer.d
    M src/parse.d
    M src/tokens.d

  Log Message:
  -----------
  make Token.ustring const


  Commit: 651c162e33ddce65bf3da54905ea0c7f6e9be094
      https://github.com/D-Programming-Language/dmd/commit/651c162e33ddce65bf3da54905ea0c7f6e9be094
  Author: Daniel Murphy <yebblies at gmail.com>
  Date:   2016-02-06 (Sat, 06 Feb 2016)

  Changed paths:
    M src/lexer.d
    M src/parse.d
    M src/tokens.d

  Log Message:
  -----------
  Merge pull request #5410 from WalterBright/constUstring

make Token.ustring const


Compare: https://github.com/D-Programming-Language/dmd/compare/05484ff70747...651c162e33dd